Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22C - Alloys › C22C 38 - Ferrous alloys, e.g. steel alloys
Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
12/2003
12/10/2003EP1368504A2 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
12/10/2003CN1461486A Iron-based rare earth alloy nanocomposite magnet and method for producing the same
12/10/2003CN1461354A Ferritic heat-resistant steel and method for production thereof
12/09/2003US6660109 Method of manufacturing aluminide sheet by thermomechanical processing of aluminide powders
12/09/2003US6660105 Case hardened steel excellent in the prevention of coarsening of particles during carburizing thereof, method of manufacturing the same, and raw shaped material for carburized parts
12/09/2003US6660056 Wear resistance
12/09/2003CA2301722C Cold rolled steel sheet having improved bake hardenability
12/09/2003CA2188505C Ferritic stainless steel usable for steel wool production
12/04/2003WO2003100277A1 Rolling part and power transmission part
12/04/2003WO2003099482A1 Uoe steel pipe with excellent crash resistance, and method of manufacturing the uoe steel pipe
12/04/2003US20030221754 Carbon steels of high performance are disclosed that contain a three-phase microstructure consisting of grains of ferrite fused with grains that contain dislocated lath structures in which laths of martensite alternate with thin films of
12/04/2003US20030221753 Super fine granular steel pipe and method for producing the same
12/04/2003US20030221752 Superhigh-strength dual-phase steel sheet of excellent fatigue characteristic in a spot welded joint
12/04/2003US20030221516 Article comprises compacting and sintering a predominately iron powder to form an iron-base matrix that contains between about 1 and 7 weight percent nickel and about 0.1 and 1.2 weight percent phosphorus. A copper metal is infiltrated into
12/04/2003DE10221793C1 Nichtkornorientiertes Elektroband oder -blech und Verfahren zu seiner Herstellung A non-oriented electrical steel strip or steel sheet and process for its preparation
12/03/2003EP1367143A1 Hot dip zinc plated steel sheet having high strength and method for producing the same
12/03/2003EP1367142A1 Steel sheet for tension mask and method for production thereof, tension mask, and cathode ray tube
12/03/2003EP1366306A1 Rolling bearing with nitriding steel cylindrical rolling elements
12/03/2003EP1366204A1 Steel article
12/03/2003CN1460270A Rare earth magnet and method for production thereof
12/03/2003CN1460156A High-strength bolt excellent in delayed fracture resistance characteristics and its steel product
12/03/2003CN1460128A Alloyed zinc dip galvanized steel sheet and mfg. method thereof
12/03/2003CN1460127A Bearing material
12/03/2003CN1459511A Giant stress impedance effect quick quenching thin belt material and its preparation method
12/03/2003CN1129677C Non oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability
12/03/2003CN1129676C Powder injection moulded mateial and its use
12/03/2003CN1129675C Color CRT mask frame, steel plate for use therein process for producing steel plate and color CRT havnig frame
12/02/2003US6656420 With no palladium; high strength; easily formable; gold, chromium, tantalum
12/02/2003US6656419 Nickel 30-85 wt %, carbon < 0.015 wt %, Silicon < 1.0 wt %, Manganese < 1.0 wt %, phosphorus < 0.01 wt %, sulfur < 0.005 wt %, oxygen < 0.0060 wt %, aluminum < 0.02 wt % remainder iron; casting, homogenizing heat treatment and hot rolling
12/02/2003US6656418 Steel composition, method for making same and parts produced from said compositions, particularly valves
11/2003
11/27/2003WO2003097884A1 Non-grain oriented electrical steel strip or electrical steel sheet and method for producing the same
11/27/2003WO2003069010A8 Steel sheet for container excellent in formability and properties at weld, and method for producing the same
11/27/2003WO2003064818A3 Geothermal steam turbine
11/27/2003WO2003029504A3 High-strength duplex/triplex steel for lightweight construction and use thereof
11/27/2003US20030219352 Iron, silicon alloy alloy; noncracking, bonding strength
11/27/2003US20030219178 Rolling bearing for continuously variable transmission
11/27/2003US20030217795 High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same
11/27/2003US20030217789 High temperature; toughness
11/27/2003US20030217786 Giant magnetostrictive material and heat treatment method for giant magnetostrictive material
11/27/2003DE10220282C1 Verfahren zum Herstellen von kaltgewalztem Stahlband mit Si-Gehalten von mindestens 3,2 Gew.-% für elektromagnetische Anwendungen A method of producing cold rolled steel strip having Si contents of at least 3.2 wt .-% for electromagnetic applications
11/26/2003EP1365037A1 High strength steel sheet having excellent formability and method for production thereof
11/26/2003CN1459025A Quality testing method and prodution method of rare earth magnet alloy ingot, the rare earth magnet alloy ingot, and rare earth magnet alloy
11/26/2003CN1458984A Grain-oriented magnetic steel sheet having no under coat fim comprising forsterite as primary component and having good magnetic characteristics and its producing method
11/26/2003CN1458983A Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing same, and combination of piston ring and cylinder block
11/26/2003CN1458870A Method of producing steel strips
11/26/2003CN1128889C Method for making carbon steel bands, in particular packaging steel bands, and resulting bands
11/26/2003CN1128888C Ultra-high strength ausaged steels with excellent cryogenic temp. toughness
11/25/2003US6652991 Ductile NiAl intermetallic compositions
11/25/2003US6652680 Method for producing tubes for heavy guns
11/25/2003US6652671 Excellent in hardenability and toughness and formable with a high dimensional precision; tools, springs
11/25/2003US6652618 Iron based mixed power high strength sintered parts
11/25/2003US6652617 PM high-speed steel having high elevated-temperature strength
11/25/2003CA2240713C Free machining stainless steel and components for automotive fuel and exhaust systems made therefrom
11/20/2003WO2003095684A1 Method of continuous casting non-oriented electrical steel strip
11/20/2003WO2003095683A1 Cold-rolled steel strip having a silicon content of at least 3.2 wt. % and used for electromagnetic purposes
11/20/2003US20030215349 Production method of high density iron based forged part
11/20/2003US20030213535 Methods of manufacturing cold-rolled and hot-dip galvanized steel sheet excellent in strain age hardening property
11/20/2003US20030213534 Composed of alloy comprising iron, cobalt, aluminum, rare-earth elements; having irreversible susceptibility, high magnetic flux density, and excellent magnetizability and heat resistance
11/19/2003EP1362930A1 Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof
11/19/2003CN1457372A Steel sheet for tension mask and method for production thereof, tension mask, and cathode ray tube
11/19/2003CN1457371A Hot dip zinc plated steel sheet having high strength and method for producing the same
11/19/2003CN1456700A Calcium-sulphur-tin series composite easily machined steel
11/19/2003CN1456699A Calcium-rare earth-tin series composite easily machined steel
11/19/2003CN1128246C Austenic stainless steel
11/19/2003CN1128245C High-strength alloyed cast steel with high resistance to wear and impact and its preparing process
11/19/2003CN1128244C Fe-Mn-Si base marmem containing Cr and N and its training method
11/19/2003CN1128243C Cold rolled steel plate with excellent machining homogenity and its production process
11/19/2003CN1128242C Process for preparing high-cleanness, high-strength and high toughness steel for gas delivering pipeline
11/19/2003CN1128241C Technology for manufacturing hot-dip galvanized cold-rolled steel plate with excellent maching uniformity
11/19/2003CN1128240C Stretching steel wire bar with good twisting property and its manufacturing mehtod
11/19/2003CN1128239C Manufacture of electric steel plate with high magnetic flux density orientation
11/19/2003CN1128238C Rare earth quickly nitrating steel
11/19/2003CN1128237C High-nitrogen steel
11/18/2003US6649286 High-frequency characteristics, corrosion resistance
11/18/2003US6649125 Containing titanium and/or zirconium carbosulfide as inclusion and having good machinability both in turning and drilling
11/18/2003US6648991 Desulfurization and austenized steel for particularly in environments containing carbon dioxide
11/18/2003US6648989 High strength; alloy containing iron, cobalt and rare earth element
11/18/2003US6648988 Furnace run length extension by fouling control
11/18/2003US6648209 Process for producing welded steel pipes with a high degree of strength, ductility and deformability
11/18/2003US6648108 Sintered material for a magnetic track brake
11/18/2003CA2105456C Embrittlement resistant stainless steel alloy
11/16/2003CA2427188A1 Low-contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method for stainless steel separator for fuel cell
11/13/2003WO2003064715A9 Bainite type non-refined steel for nitriding, method for production thereof and nitrided product
11/13/2003US20030211360 Oxidation, nitriding metal, or alloy thereof; multilayer; variations in electrical resistance
11/13/2003US20030209842 Method for manufacturing rare earth magnet and powder compacting apparatus
11/12/2003EP1361290A1 Steel for chemical tank, excellent in sulfuric acid corrosion resistance and pitting corrosion resistance
11/12/2003EP1361289A1 Heat-treated steel wire for high strength spring
11/12/2003EP1360704A1 Isotropic rare earth material of high intrinsic induction
11/12/2003EP1360340A1 Iron-cobalt-vanadium alloy
11/12/2003EP1360015A1 A self-adjusting blade
11/12/2003CN1455937A Method of making material alloy for iron-based rare earth magnet
11/12/2003CN1455822A Steel excellent in resistance to sulfuric acid dew point corrosion and preheater for air
11/12/2003CN1455821A Sheet steel and method for producing thereof
11/12/2003CN1455014A Thermal-resistance tool
11/12/2003CN1454851A Synthesizing of magnetite nano particles and method for forming iron-base nano material
11/12/2003CN1127390C High-toughness gas protective welding wire for low alloy high-strength steel
11/11/2003US6645324 Excellent ridging resistance and formability
11/11/2003US6645320 Steel sheet excellent in ductility and strength stability after heat treatment
11/11/2003US6645319 Wire rod for drawing superior in twisting characteristics and method for production thereof
11/11/2003US6645318 Fuel tank made of ferritic stainless steel
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